Home / 5,431,940.40-8,147,910.60-1,837,824.60

Finding the Fourth Proportional to 5,431,940.40, 8,147,910.60 and 1,837,824.60

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Solution

The fourth proportional to 5,431,940.40, 8,147,910.60 and 1,837,824.60 is: 2,756,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,940.40 : 8,147,910.60 = 1,837,824.60 : x
  2. Step 2: Convert to fraction form
    5,431,940.40/8,147,910.60 = 1,837,824.60/x
  3. Step 3: Cross multiply
    5,431,940.40x = 8,147,910.60 × 1,837,824.60
  4. Step 4: Simplify right side
    5,431,940.40x = 14,974,430,539,280.76
  5. Step 5: Solve for x
    x = 14,974,430,539,280.76/5,431,940.40
  6. Step 6: Final answer
    x = 2,756,736.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.